RE: [TCML] First TC firing

["Lau, Gary" <Gary.Lau@xxxxxx>]

The amount of RF that your xfmr is exposed to is less if you swap the positions of your main gap and the cap.  Performance is the same, but placing the main gap across the xfmr effectively shorts out most of the RF energy from going back to the xfmr.

If you are using plastic coke bottles, they're not likely to last very long :-(

You give no specifics (a few turns, don't know exact gauge, vague copper vase topload...)  that would allow one to calculate if you are properly tuned, so I'll leave that to you.

Regards, Gary Lau
MA, USA

> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> Behalf Of Matt
> Sent: Tuesday, December 09, 2008 4:21 PM
> To: Coil Mailing List
> Subject: [TCML] First TC firing
>
> Hello everyone, thanks for your help so far.
>
> I am about to test my coil and would like some input to make sure things
> won't go drastically wrong.
>
> I have my transformer (2x 7.5kv outputs at 40ma Danfoss OBIT) wired to the
> mains. From there it is wired in parallel to first my safety gap, then my
> capacitor bank (two 2l coke bottles, wrapped in foil and filled with water
> saturated with table salt). In series to that I have my spark gap, and then
> my primary coil (a few turns of thick  enamelled wire)
>
> The primary is at the base of the secondary (1000+ turns of very thin magnet
> wire - I don't know the exact gauge, but it was the second thinnest I could
> get from Maplins, and is thin enough to snap under force applied by me). The
> secondary is grounded to a square sheet of chicken wire, and the topload is
> the bottom of a copper vase.
>
> I include a VERY simple circuit diagram.
>
> Some feedback would be MUCH appreciated soon as I am about to turn it on and
> could do with some reassurance that I'm not going to destroy something...
>
> Thanks a lot,
>
> Matt
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